But the 32-year-old Gonzalez was a different man when the Chiefs concluded a mini-camp last weekend, one who was undeniably brimming with optimism. He wasn't griping or moping, and he definitely wasn't demanding a trade to a team with championship potential. He'd decided to do what professionals do -- which is worry about the things he actually can control -- and that philosophy has made life much easier for him to handle these days.